Door blocking lock



FIG. 1 is a front plan view of a door blocking lock showing our new design; the rear plan view being the same in reverse; the door and knob shown in dashed lines.

FIG. 2 is a left side plan view of the door blocking lock.

FIG. 3 is a right side view of the door blocking lock.

FIG. 4 is a top plan view of the door blocking lock.

FIG. 5 is a bottom plan view of the door blocking lock; and,

FIG. 6 is a top perspective view of the door blocking lock.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for the door blocking lock, as shown and described. 